# File lib/openstack/network/connection.rb, line 177
    def get_qos_policy(policy_id)
      response = @connection.req("GET", "/qos/policies/#{policy_id}")
      OpenStack::Exception.raise_exception(response) unless response.code.match(/^20.$/)
      OpenStack::Network::QoSPolicy.new(@connection, JSON.parse(response.body)["policy"])
    end